321354401 has 4 divisors (see below), whose sum is σ = 331720704. Its totient is φ = 310988100.

The previous prime is 321354379. The next prime is 321354403. The reversal of 321354401 is 104453123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104453123 = 179 ⋅583537.

It is a cyclic number.

It is not a de Polignac number, because 321354401 - 2¹⁰ = 321353377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321354403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5183105 + ... + 5183166.

It is an arithmetic number, because the mean of its divisors is an integer number (82930176).

Almost surely, 2^321354401 is an apocalyptic number.

321354401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

321354401 is a deficient number, since it is larger than the sum of its proper divisors (10366303).

321354401 is a wasteful number, since it uses less digits than its factorization.

321354401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366302.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 321354401 is about 17926.3605062489. The cubic root of 321354401 is about 684.9540175502.

The spelling of 321354401 in words is "three hundred twenty-one million, three hundred fifty-four thousand, four hundred one".